Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff
[linux-2.6.git] / arch / um / drivers / ssl.c
index 826a77c..a4d6415 100644 (file)
@@ -10,6 +10,7 @@
 #include "linux/major.h"
 #include "linux/mm.h"
 #include "linux/init.h"
+#include "linux/console.h"
 #include "asm/termbits.h"
 #include "asm/irq.h"
 #include "line.h"
@@ -21,7 +22,6 @@
 #include "init.h"
 #include "irq_user.h"
 #include "mconsole_kern.h"
-#include "2_5compat.h"
 
 static int ssl_version = 1;
 
@@ -33,7 +33,7 @@ static struct tty_driver *ssl_driver;
 
 #define NR_PORTS 64
 
-void ssl_announce(char *dev_name, int dev)
+static void ssl_announce(char *dev_name, int dev)
 {
        printk(KERN_INFO "Serial line %d assigned device '%s'\n", dev,
               dev_name);
@@ -49,12 +49,13 @@ static struct chan_opts opts = {
 
 static int ssl_config(char *str);
 static int ssl_get_config(char *dev, char *str, int size, char **error_out);
-static int ssl_remove(char *str);
+static int ssl_remove(int n);
 
 static struct line_driver driver = {
        .name                   = "UML serial line",
-       .devfs_name             = "tts/%d",
-       .major                  = TTYAUX_MAJOR,
+       .device_name            = "ttyS",
+       .devfs_name             = "tts/",
+       .major                  = TTY_MAJOR,
        .minor_start            = 64,
        .type                   = TTY_DRIVER_TYPE_SERIAL,
        .subtype                = 0,
@@ -68,6 +69,7 @@ static struct line_driver driver = {
                .name           = "ssl",
                .config         = ssl_config,
                .get_config     = ssl_get_config,
+               .id             = line_id,
                .remove         = ssl_remove,
        },
 };
@@ -82,99 +84,31 @@ static struct lines lines = LINES_INIT(NR_PORTS);
 
 static int ssl_config(char *str)
 {
-       return(line_config(serial_lines, 
-                          sizeof(serial_lines)/sizeof(serial_lines[0]), str));
+       return line_config(serial_lines, ARRAY_SIZE(serial_lines), str, &opts);
 }
 
 static int ssl_get_config(char *dev, char *str, int size, char **error_out)
 {
-       return(line_get_config(dev, serial_lines, 
-                              sizeof(serial_lines)/sizeof(serial_lines[0]), 
-                              str, size, error_out));
+       return line_get_config(dev, serial_lines, ARRAY_SIZE(serial_lines), str,
+                              size, error_out);
 }
 
-static int ssl_remove(char *str)
+static int ssl_remove(int n)
 {
-       return(line_remove(serial_lines, 
-                          sizeof(serial_lines)/sizeof(serial_lines[0]), str));
+       return line_remove(serial_lines, ARRAY_SIZE(serial_lines), n);
 }
 
-int ssl_open(struct tty_struct *tty, struct file *filp)
+static int ssl_open(struct tty_struct *tty, struct file *filp)
 {
-       return(line_open(serial_lines, tty, &opts));
-}
-
-static void ssl_close(struct tty_struct *tty, struct file * filp)
-{
-       line_close(serial_lines, tty);
-}
-
-static int ssl_write(struct tty_struct * tty, int from_user,
-                    const unsigned char *buf, int count)
-{
-       return(line_write(serial_lines, tty, from_user, buf, count));
-}
-
-static void ssl_put_char(struct tty_struct *tty, unsigned char ch)
-{
-       line_write(serial_lines, tty, 0, &ch, sizeof(ch));
-}
-
-static void ssl_flush_chars(struct tty_struct *tty)
-{
-       return;
-}
-
-static int ssl_chars_in_buffer(struct tty_struct *tty)
-{
-       return(0);
+       return line_open(serial_lines, tty);
 }
 
+#if 0
 static void ssl_flush_buffer(struct tty_struct *tty)
 {
        return;
 }
 
-static int ssl_ioctl(struct tty_struct *tty, struct file * file,
-                    unsigned int cmd, unsigned long arg)
-{
-       int ret;
-
-       ret = 0;
-       switch(cmd){
-       case TCGETS:
-       case TCSETS:
-       case TCFLSH:
-       case TCSETSF:
-       case TCSETSW:
-       case TCGETA:
-       case TIOCMGET:
-               ret = -ENOIOCTLCMD;
-               break;
-       default:
-               printk(KERN_ERR 
-                      "Unimplemented ioctl in ssl_ioctl : 0x%x\n", cmd);
-               ret = -ENOIOCTLCMD;
-               break;
-       }
-       return(ret);
-}
-
-static void ssl_throttle(struct tty_struct * tty)
-{
-       printk(KERN_ERR "Someone should implement ssl_throttle\n");
-}
-
-static void ssl_unthrottle(struct tty_struct * tty)
-{
-       printk(KERN_ERR "Someone should implement ssl_unthrottle\n");
-}
-
-static void ssl_set_termios(struct tty_struct *tty, 
-                           struct termios *old_termios)
-{
-}
-
 static void ssl_stop(struct tty_struct *tty)
 {
        printk(KERN_ERR "Someone should implement ssl_stop\n");
@@ -188,23 +122,26 @@ static void ssl_start(struct tty_struct *tty)
 void ssl_hangup(struct tty_struct *tty)
 {
 }
+#endif
 
 static struct tty_operations ssl_ops = {
        .open                   = ssl_open,
-       .close                  = ssl_close,
-       .write                  = ssl_write,
-       .put_char               = ssl_put_char,
-       .flush_chars            = ssl_flush_chars,
-       .chars_in_buffer        = ssl_chars_in_buffer,
-       .flush_buffer           = ssl_flush_buffer,
-       .ioctl                  = ssl_ioctl,
-       .throttle               = ssl_throttle,
-       .unthrottle             = ssl_unthrottle,
-       .set_termios            = ssl_set_termios,
+       .close                  = line_close,
+       .write                  = line_write,
+       .put_char               = line_put_char,
+       .write_room             = line_write_room,
+       .chars_in_buffer        = line_chars_in_buffer,
+       .flush_buffer           = line_flush_buffer,
+       .flush_chars            = line_flush_chars,
+       .set_termios            = line_set_termios,
+       .ioctl                  = line_ioctl,
+       .throttle               = line_throttle,
+       .unthrottle             = line_unthrottle,
+#if 0
        .stop                   = ssl_stop,
        .start                  = ssl_start,
        .hangup                 = ssl_hangup,
-       .write_room             = line_write_room,
+#endif
 };
 
 /* Changed by ssl_init and referenced by ssl_exit, which are both serialized
@@ -212,53 +149,73 @@ static struct tty_operations ssl_ops = {
  */
 static int ssl_init_done = 0;
 
-int ssl_init(void)
+static void ssl_console_write(struct console *c, const char *string,
+                             unsigned len)
+{
+       struct line *line = &serial_lines[c->index];
+       unsigned long flags;
+
+       spin_lock_irqsave(&line->lock, flags);
+       console_write_chan(&line->chan_list, string, len);
+       spin_unlock_irqrestore(&line->lock, flags);
+}
+
+static struct tty_driver *ssl_console_device(struct console *c, int *index)
+{
+       *index = c->index;
+       return ssl_driver;
+}
+
+static int ssl_console_setup(struct console *co, char *options)
+{
+       struct line *line = &serial_lines[co->index];
+
+       return console_open_chan(line, co, &opts);
+}
+
+static struct console ssl_cons = {
+       .name           = "ttyS",
+       .write          = ssl_console_write,
+       .device         = ssl_console_device,
+       .setup          = ssl_console_setup,
+       .flags          = CON_PRINTBUFFER,
+       .index          = -1,
+};
+
+static int ssl_init(void)
 {
        char *new_title;
 
-       printk(KERN_INFO "Initializing software serial port version %d\n", 
+       printk(KERN_INFO "Initializing software serial port version %d\n",
               ssl_version);
-
        ssl_driver = line_register_devfs(&lines, &driver, &ssl_ops,
-               serial_lines, sizeof(serial_lines)/sizeof(serial_lines[0]));
+                                        serial_lines,
+                                        ARRAY_SIZE(serial_lines));
 
-       lines_init(serial_lines, sizeof(serial_lines)/sizeof(serial_lines[0]));
+       lines_init(serial_lines, ARRAY_SIZE(serial_lines), &opts);
 
        new_title = add_xterm_umid(opts.xterm_title);
-       if(new_title != NULL) opts.xterm_title = new_title;
+       if (new_title != NULL)
+               opts.xterm_title = new_title;
 
        ssl_init_done = 1;
-       return(0);
+       register_console(&ssl_cons);
+       return 0;
 }
+late_initcall(ssl_init);
 
-__initcall(ssl_init);
+static void ssl_exit(void)
+{
+       if (!ssl_init_done)
+               return;
+       close_lines(serial_lines, ARRAY_SIZE(serial_lines));
+}
+__uml_exitcall(ssl_exit);
 
 static int ssl_chan_setup(char *str)
 {
-       line_setup(serial_lines, sizeof(serial_lines)/sizeof(serial_lines[0]),
-                  str, 1);
-       return(1);
+       return line_setup(serial_lines, ARRAY_SIZE(serial_lines), str);
 }
 
 __setup("ssl", ssl_chan_setup);
 __channel_help(ssl_chan_setup, "ssl");
-
-static void ssl_exit(void)
-{
-       if(!ssl_init_done) return;
-       close_lines(serial_lines, 
-                   sizeof(serial_lines)/sizeof(serial_lines[0]));
-}
-
-__uml_exitcall(ssl_exit);
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */